Intruder for
Automated Penetration Testing for Fast-Moving Teams
Intruder continuously tests your infrastructure, web apps, and APIs for the vulnerabilities that matter most - giving you always-on coverage, not just a point-in-time report.
Join 3,000+ companies securing their attack surface with Intruder
Results in hours, not weeks
Get actionable findings immediately - no waiting for an engagement to start or a report to land.
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Stay ahead of emerging threats
When new vulnerabilities are announced, Intruder checks your systems automatically - so you know your exposure before exploits spread.
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Always-on coverage
Continuous checks between manual pen tests, so new risks don't sit undiscovered for months.
Automated Penetration Testing for Fast-Moving Teams
Know if you'd pass an audit before the auditor asks
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Intruder checks for the issues auditors care about - exposed services, missing encryption, unpatched software - and generates compliance-ready reports for SOC 2, ISO 27001, or HIPAA without manual evidence gathering.
See What a pen tester sees, every day
Intruder checks for the issues auditors care about - exposed services, missing encryption, unpatched software - and generates compliance-ready reports for SOC 2, ISO 27001, or HIPAA without manual evidence gathering.
From finding to fixing, without the back and forth
Intruder checks for the issues auditors care about - exposed services, missing encryption, unpatched software - and generates compliance-ready reports for SOC 2, ISO 27001, or HIPAA without manual evidence gathering.
Find what's exposed, fix what matters, and stay ahead of new threats
External Scanning
Infrastructure Security
Attack Surface Monitoring
Respond to changes
CSPM
Daily cloud config checks
Asset Discovery
Reveal unknown targets
DAST
Secure web apps
Risk Based Prioritization
No more alert fatigue
Cyber Hygiene Reporting
Demonstrate progress
Emerging Threat Detection
Check and act fast
Container Image Scanning
Automated image discovery
Secrets Detection
Prevent leaked credentials
Website Security
140k+ checks
API Security
Test your APIs
Compliance
SOC 2, ISO, HIPAA, DORA
Internal Scanning
Secure employee devices
Our customers love Intruder
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Yes, you can! Learn all about how to scan SPAs with Intruder here.
The first thing you need to do is add your website as a target by entering its IP address or url. You can then kick off your first scan in just a few clicks – it’s that simple!
Intruder’s website security scans check for web-layer security problems such as SQL injection and cross-site scripting, as well as other security misconfigurations. Read more about Intruder’s checks here.
Your internal systems can be just as enticing to hackers as your external network so it’s important to test your website for vulnerabilities there too.
When we talk about scanning the website internally, we’re actually talking about scanning the web server that the website is hosted on. Web servers are internet-facing, but any sensitive information connected to them (such as databases) will sit behind a firewall, to prevent them from being reached by unauthorized individuals.
If ‘stuff’ can’t be reached externally, then remote checks won’t work and so you’d need to run local checks. At Intruder, all local/internal checks are performed via an agent which you’d install on the server.
Internal vulnerability scanning also hunts through your website for missing patches and detects insecure versions of many thousands of software components and frameworks, including operating systems and network devices. Find out more about internal vulnerability scanning.
Intruder works with many platforms, including WordPress, Drupal, Joomla, Squarespace and more.
Choose our Essential or Cloud plan to externally scan your website. If you are looking at our internal vulnerability scanning capability, this is only available to our Pro and Enterprise customers. Visit our pricing page to learn more.
Buy any of our Essential or Pro plans that cover infrastructure licenses by default. Head to our pricing page for more information.